Vehicle Platform & ECU Name DTC Troubleshooting Data Ver: 1 Date: 23/11/2022 Author: ERC Page 753 of 834 Copyright by TATA MOTORS Ltd. This document must not be used in any w ay, such as copying and redistributing to third parties, w ithout our consent P0945-00 - Hydraulic Pump Relay/Control Circuit/Open Overview: Code Cause Effect on Vehicle Fault Code: P0945-00 1. Oil pump connector open circuit 2. Sensor loose connection 3. Wiring damage 1. CE Lamp ON Lamp status: Check Engine Lamp off Malfunction Indicator Lamp off Checkpoint: Check battery voltage (nominal 11.5V ~ 14V) Trouble Shooting Steps: Sr. No. Steps Specifications Step 1 Check whether there is any damage in sensor connector - Step 2 Check whether there is any damage in ECU connector - Step 3 Check for continuity between oil pump sensor pin and ECU pin Step 4 Check the sensor wiring - Step 5 If the problem persists, replace the sensor - Step 6 If problem persists, replace the ECU Verification condition: Clear the fault and check if it is reappearing Component Details: Circuit Schematic Diagram: NA Component Location and Image:
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